CN102055888B - Network camera, network shooting system and network shooting method - Google Patents
Network camera, network shooting system and network shooting method Download PDFInfo
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- CN102055888B CN102055888B CN200910309358.1A CN200910309358A CN102055888B CN 102055888 B CN102055888 B CN 102055888B CN 200910309358 A CN200910309358 A CN 200910309358A CN 102055888 B CN102055888 B CN 102055888B
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- signal
- serial bus
- universal serial
- module
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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Abstract
The invention discloses a network camera, which comprises a shooting module, a video conversion module, an audio conversion module, a microprocessor and a signal transmitting module connected with the microprocessor. The microprocessor is used for synthesizing and compressing the signals transmitted by the video conversion module and the audio conversion module into universal serial bus signals. The signal transmitting module is used for converting the universal serial bus signals into wireless universal serial bus signals. The network camera acquires the universal serial bus signals through the microprocessor, and coverts the universal serial bus signals into the wireless universal serial bus signals through the signal transmitting module.
Description
Technical field
The present invention relates to a kind of web camera, network camera shooting system and network shooting method.
Background technology
Along with scientific and technological development, the use of web camera is more and more extensive.Yet existing web camera does not possess the function of audio-visual compression, its image and voice signal that need to web camera be obtained by the treatment facility of an outside compresses, then the signal after compression is sent to network.
Summary of the invention
In view of above content, be necessary to provide a kind of web camera, network camera shooting system and network shooting method that carries audio-visual compression function.
, comprising:
One for obtaining the photographing module of the analog signal of image and sound;
One video conversion module being connected with described photographing module, for being converted to data image signal by the analog signal of image;
One audio conversion module being connected with described photographing module, for being converted to digital audio signal by the analog signal of sound;
One microprocessor, it is all connected with described video conversion module and audio conversion module, and described microprocessor is for synthesizing described data image signal and digital audio signal boil down to universal serial bus signal; And
One signal transmitting module being connected with described microprocessor, described signal transmitting module is for being converted to radio universal serial bus signal by described universal serial bus signal.
, comprising:
Some web cameras, described web camera comprises a photographing module, one video conversion module, one audio conversion module, one microprocessor and a signal transmitting module, described photographing module is for obtaining the analog signal of image and sound, video conversion module is converted to data image signal for the analog signal of image that photographing module is obtained, audio conversion module is converted to digital audio signal for the analog signal of sound that photographing module is obtained, described microprocessor is by described data image signal and digital audio signal is synthetic and boil down to universal serial bus signal, described signal transmitting module is for being converted to radio universal serial bus signal by described universal serial bus signal,
One main frame, described main frame is communicated by letter with described web camera by a wireless network, described main frame comprises a signal receiving module and a processing module, described signal receiving module is for receiving the radio universal serial bus signal that described web camera sends and described radio universal serial bus signal being converted to universal serial bus signal, described processing module is connected with described signal receiving module, and described processing module is converted to network data signals by described universal serial bus signal;
One for storing the webserver of described network data signals; And
Some network terminals, the described network terminal is connected to access described network data signals by the Internet with the described webserver.
A method, comprises the following steps:
Each web camera obtains image in area to be monitored and the analog signal of sound;
The analog signal of image is converted to data image signal, the analog signal of sound is converted to digital audio signal;
By described data image signal and the synthetic also boil down to universal serial bus signal of digital audio signal;
Described universal serial bus signal is converted to radio universal serial bus signal;
Each web camera is determined the identity code of himself; And
One main frame receives described radio universal serial bus signal.
Web camera of the present invention is by obtaining data image signal and digital audio signal by described photographing module, video conversion module, audio conversion module, described microprocessor is by described data image signal and digital audio signal is synthetic and boil down to universal serial bus signal, and described signal transmitting module is converted to radio universal serial bus signal by described universal serial bus signal.Network camera shooting system of the present invention is converted to network data signals by described main frame by described radio universal serial bus signal.Described microprocessor can compress described data image signal and digital audio signal, makes web camera of the present invention and network camera shooting system have audio-visual compression function.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the preferred embodiments of network camera shooting system of the present invention.
Fig. 2 is the block diagram of the preferred embodiments of web camera of the present invention.
Fig. 3 is the flow chart of the preferred embodiments of network shooting method of the present invention.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiments, the present invention is described in further detail:
Please refer to Fig. 1, network camera shooting system of the present invention comprises some web cameras 100, a main frame 200, a webserver 300 and some network terminals 400.
Described web camera 100 is communicated by letter with described main frame 200 by a wireless network.
Please continue to refer to Fig. 2, described web camera 100 comprises a photographing module 10, a video conversion module 20, an audio conversion module 30, a microprocessor 40 and a signal transmitting module 50.
Described photographing module 10 is installed in area to be monitored, for catching the image in this area to be monitored, to obtain the analog signal of image and sound.
Described video conversion module 20 and audio conversion module 30 are all connected with described photographing module 10.Described video conversion module 20 is for being converted to data image signal by the analog signal of image; Described audio conversion module 30 is for being converted to digital audio signal by the analog signal of sound.In present embodiment, described video conversion module 20 and audio conversion module 30 can be known analog-digital commutator.
Described microprocessor 40 is all connected with described video conversion module 20 and audio conversion module 30.Described microprocessor 40 is for synthesizing described data image signal and digital audio signal boil down to USB (Universal Serial BUS, USB) signal.In present embodiment, described microprocessor 40 can adopt such as digital frequency synthesis technology data image signal and digital audio signal are synthesized.Meanwhile, it is known by industry that described microprocessor 40 is compressed into universal serial bus signal by synthetic data image signal and digital audio signal, do not repeat them here.
Described signal transmitting module 50 is a Wireless Communication Equipment.Described signal transmitting module 50 is connected with described microprocessor 40.After described signal transmitting module 50 receives described universal serial bus signal, described universal serial bus signal is converted to radio universal serial bus signal.Then described signal transmitting module 50 sends to described main frame 200 by described radio universal serial bus signal.
Described some web cameras 100 are opened successively and are communicated by letter with described main frame 200.
When a web camera 100 will be communicated by letter mutually with described main frame 200,40 of described microprocessors are by the identity code (Identity of this web camera 100, ID) be preset as " 1 ", and detect the ID of other web cameras 100 of having communicated by letter with described main frame 200 simultaneously, if it is identical with it to detect the ID of other web cameras 100, the ID of himself is added to 1, and detecting again, until the ID of this web camera 100 is not identical with the ID of other web camera 100.Wherein, this ID is for identifying the identity of described web camera 100.After described web camera 100 has been determined ID, when described main frame 200 receives its radio universal serial bus signal, can identify this web camera 100.
Described main frame 200 comprises a signal receiving module 210 and a processing module 220.Described signal receiving module 210 is for the radio universal serial bus signal that receives described web camera 100 and send and described radio universal serial bus signal is converted to universal serial bus signal.Described processing module 220 is connected with described signal receiving module 210.Described processing module 220 is converted to network data signals by described universal serial bus signal, and then described processing module 220 sends to the described webserver 300 by the Internet by described network data signals.
The described webserver 300 is for storing described network data signals.
Described some network terminals 400 can access by the Internet the network data signals being stored on the described webserver 300, and the processor by the network terminal 400 inside is the network data signals processing of decoding, thereby can obtain the analog signal of original image and sound.Now user can check the captured image data of described web camera 100 at the network terminal 400.
Please continue to refer to Fig. 3, the flow process of network shooting method of the present invention comprises the following steps:
Step S1: each web camera 100 obtains image in area to be monitored and the analog signal of sound.
Step S2: the video conversion module 20 in described web camera 100 is converted to data image signal by the analog signal of image; Audio conversion module 30 is converted to digital audio signal by the analog signal of sound.
Step S3: the microprocessor 40 in described web camera 100 is by described data image signal and digital audio signal is synthetic and boil down to universal serial bus signal.
Step S4: after the signal transmitting module 50 in described web camera 100 receives described universal serial bus signal, described universal serial bus signal is converted to radio universal serial bus signal.
Step S5: each web camera 100 is determined the identity code of himself, described web camera 100 is preset as " 1 " by the ID of elder generation self, and detect the ID of the web camera 100 that other and a main frame 200 communicate simultaneously, if it is identical with it to detect the ID of other web cameras 100, the ID of himself is added to 1, and detecting again, until the ID of this web camera 100 is not identical with the ID of other web camera 100, thus the ID of definite described web camera 100.
Step S6: described main frame 200 receives described radio universal serial bus signal, can check by described main frame 200 or other network terminals 400 of communicating by letter with described main frame 200 image that described web camera 100 is caught.
Claims (9)
1. a web camera, comprising:
One for obtaining the photographing module of the analog signal of image and sound;
One video conversion module being connected with described photographing module, for being converted to data image signal by the analog signal of image;
One audio conversion module being connected with described photographing module, for being converted to digital audio signal by the analog signal of sound;
One microprocessor, it is all connected with described video conversion module and audio conversion module, described microprocessor is for synthesizing described data image signal and digital audio signal boil down to universal serial bus signal, described microprocessor is preset as " 1 " by the identity code of the web camera at self place, and detect the identity code of other web cameras simultaneously, identical with the identity code of self when detecting the identity code of other web cameras, described microprocessor adds 1 until do not have other web camera identical with the identity code of himself by the identity code of self, and
One signal transmitting module being connected with described microprocessor, described signal transmitting module is for being converted to radio universal serial bus signal by described universal serial bus signal.
2. web camera as claimed in claim 1, is characterized in that: described video conversion module is an analog-digital commutator.
3. web camera as claimed in claim 1, is characterized in that: described audio conversion module is an analog-digital commutator.
4. web camera as claimed in claim 1, is characterized in that: described signal transmitting module is a Wireless Communication Equipment.
5. a network camera shooting system, comprising:
Some web cameras, described web camera comprises a photographing module, one video conversion module, one audio conversion module, one microprocessor and a signal transmitting module, described photographing module is for obtaining the analog signal of image and sound, video conversion module is converted to data image signal for the analog signal of image that photographing module is obtained, audio conversion module is converted to digital audio signal for the analog signal of sound that photographing module is obtained, described microprocessor is by described data image signal and digital audio signal is synthetic and boil down to universal serial bus signal, described signal transmitting module is for being converted to radio universal serial bus signal by described universal serial bus signal, described microprocessor is preset as " 1 " by the identity code of the web camera at self place, and detect the identity code of other web cameras simultaneously, when detecting, the identity code of other web cameras is identical with the identity code of self, and described microprocessor adds 1 until do not have other web camera identical with the identity code of himself by the identity code of self,
One main frame, described main frame is communicated by letter with described web camera by a wireless network, described main frame comprises a signal receiving module and a processing module, described signal receiving module is for receiving the radio universal serial bus signal that described web camera sends and described radio universal serial bus signal being converted to universal serial bus signal, described processing module is connected with described signal receiving module, and described processing module is converted to network data signals by described universal serial bus signal;
One for storing the webserver of described network data signals; And
Some network terminals, the described network terminal is connected to access described network data signals by the Internet with the described webserver.
6. network camera shooting system as claimed in claim 5, is characterized in that: described video conversion module is an analog-digital commutator.
7. network camera shooting system as claimed in claim 5, is characterized in that: described audio conversion module is an analog-digital commutator.
8. network camera shooting system as claimed in claim 5, is characterized in that: described signal transmitting module is a Wireless Communication Equipment.
9. a network shooting method, comprises the following steps:
Each web camera obtains image in area to be monitored and the analog signal of sound;
The analog signal of image is converted to data image signal, the analog signal of sound is converted to digital audio signal;
By described data image signal and the synthetic also boil down to universal serial bus signal of digital audio signal;
Described universal serial bus signal is converted to radio universal serial bus signal;
Web camera is preset as " 1 " by the identity code of the web camera at self place;
Described web camera is detected the identity code of other web cameras, and judges that whether the identity code of other web cameras is identical with the identity code of self;
If it is identical with the identity code of self to detect the identity code of other web cameras, the identity code of self is added to 1 until do not have other web camera identical with the identity code of himself; And
One main frame receives described radio universal serial bus signal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910309358.1A CN102055888B (en) | 2009-11-05 | 2009-11-05 | Network camera, network shooting system and network shooting method |
| US12/634,693 US20110102595A1 (en) | 2009-11-05 | 2009-12-10 | Network audio/video capturing system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910309358.1A CN102055888B (en) | 2009-11-05 | 2009-11-05 | Network camera, network shooting system and network shooting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102055888A CN102055888A (en) | 2011-05-11 |
| CN102055888B true CN102055888B (en) | 2014-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910309358.1A Expired - Fee Related CN102055888B (en) | 2009-11-05 | 2009-11-05 | Network camera, network shooting system and network shooting method |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20110102595A1 (en) |
| CN (1) | CN102055888B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008116569A1 (en) * | 2007-03-26 | 2008-10-02 | Record4Free.Tv Ag | Video data transmission via usb interface |
| CN103780816A (en) * | 2014-02-14 | 2014-05-07 | 深圳市瑞彩电子技术有限公司 | Network camera, monitoring end device of network camera and data transmission method |
| CN105872278A (en) * | 2015-12-02 | 2016-08-17 | 乐视致新电子科技（天津）有限公司 | USB data wireless transmission method, camera and system |
| CN108040199A (en) * | 2017-12-28 | 2018-05-15 | 广州爱易学智能信息科技有限公司 | Integrated audio/video harvester |
Citations (2)
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| CN1672999A (en) * | 2004-03-24 | 2005-09-28 | 林熙峰 | Railway carriage monitoring system by means of radio LAN |
| CN101118695A (en) * | 2007-09-03 | 2008-02-06 | 深圳市赛格导航科技股份有限公司 | Vehicle monitoring apparatus and realizing method thereof |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1890483A3 (en) * | 1996-07-23 | 2011-07-06 | Canon Kabushiki Kaisha | Camera control apparatus and method |
| US6654060B1 (en) * | 1997-01-07 | 2003-11-25 | Canon Kabushiki Kaisha | Video-image control apparatus and method and storage medium |
| JP4292627B2 (en) * | 1999-06-07 | 2009-07-08 | ソニー株式会社 | Moving image recording / reproducing apparatus and method, and recording medium |
| TWI227993B (en) * | 2003-07-16 | 2005-02-11 | Kinpo Elect Inc | Handheld device for capturing image |
| KR100850354B1 (en) * | 2006-11-17 | 2008-08-04 | 한국전자통신연구원 | Wireless LAN and USB Bridging Apparatus for connecting communication between Wireless Local Area Network and Wireless USB Network |
| US8031264B2 (en) * | 2006-12-06 | 2011-10-04 | Sony Corporation | Wall mount camera |
| US20080221399A1 (en) * | 2007-03-05 | 2008-09-11 | Triage Wireless, Inc. | Monitor for measuring vital signs and rendering video images |
| US8660486B2 (en) * | 2008-02-28 | 2014-02-25 | Dell Products, Lp | Method and system for providing concurrent wireless universal serial bus (WUSB) hub and wireless audio/video interfaces within a single device |
-
2009
- 2009-11-05 CN CN200910309358.1A patent/CN102055888B/en not_active Expired - Fee Related
- 2009-12-10 US US12/634,693 patent/US20110102595A1/en not_active Abandoned
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1672999A (en) * | 2004-03-24 | 2005-09-28 | 林熙峰 | Railway carriage monitoring system by means of radio LAN |
| CN101118695A (en) * | 2007-09-03 | 2008-02-06 | 深圳市赛格导航科技股份有限公司 | Vehicle monitoring apparatus and realizing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| US20110102595A1 (en) | 2011-05-05 |
| CN102055888A (en) | 2011-05-11 |
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